diff options
| -rw-r--r-- | askama/src/filters.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/askama/src/filters.rs b/askama/src/filters.rs index 3f6aede..bd64bb0 100644 --- a/askama/src/filters.rs +++ b/askama/src/filters.rs @@ -57,6 +57,28 @@ pub fn e(s: &fmt::Display) -> String { /// the Askama code generator. pub fn format() { } +/// Converts to lowercase. +pub fn lower(s: &fmt::Display) -> String { + let s = format!("{}", s); + s.to_lowercase() +} + +/// Alias for the `lower()` filter. +pub fn lowercase(s: &fmt::Display) -> String { + lower(s) +} + +/// Converts to uppercase. +pub fn upper(s: &fmt::Display) -> String { + let s = format!("{}", s); + s.to_uppercase() +} + +/// Alias for the `upper()` filter. +pub fn uppercase(s: &fmt::Display) -> String { + upper(s) +} + #[cfg(test)] mod tests { use super::*; @@ -66,5 +88,15 @@ mod tests { assert_eq!(escape(&"<&>"), "<&>"); assert_eq!(escape(&"bla&"), "bla&"); assert_eq!(escape(&"<foo"), "<foo"); + + assert_eq!(lower(&"Foo"), "foo"); + assert_eq!(lower(&"FOO"), "foo"); + assert_eq!(lower(&"FooBar"), "foobar"); + assert_eq!(lower(&"foo"), "foo"); + + assert_eq!(upper(&"Foo"), "FOO"); + assert_eq!(upper(&"FOO"), "FOO"); + assert_eq!(upper(&"FooBar"), "FOOBAR"); + assert_eq!(upper(&"foo"), "FOO"); } } |